abstract：:A panel of synthetic peptides representing human lymphocyte antigen (HLA) B8, other class I and class II restricted T cell epitopes and two B cell epitopes, were all able to compete with recognition of a HLA B8 restricted epitope by a cytotoxic T cell clone. Competition was obtained when the competitor peptides were a...

journal_title：Immunology letters

authors： Fernan A,Burrows SR,Moss DJ,Saul A,Suhrbier A

更新日期：1991-11-01 00:00:00

abstract：:Both CD8 and CD2 are T cell surface receptors involved in physical cell interaction and in transmembrane signalling. The present paper addresses their role in the induction of two different functions of the cloned murine cytotoxic T cell C196: target cell lysis and IFN-gamma production. These functions were induced in...

journal_title：Immunology letters

authors： Reimann A,Ehrfeld A,Kupsch J,Maier B,Saizawa KM,Clinchy B,Eichmann K

更新日期：1991-10-01 00:00:00

abstract：:This paper describes functional and genetic studies on the macrophage resistance gene Lsh/Ity/Bcg first described almost two decades ago. Working in vitro with resident peritoneal, liver (Kupffer cells) and bone marrow derived macrophages from congenic B10 (LshS) and B10.L-LshR mice it has been possible to demonstrate...

journal_title：Immunology letters

authors： Blackwell JM,Roach TI,Atkinson SE,Ajioka JW,Barton CH,Shaw MA

更新日期：1991-10-01 00:00:00

abstract：:Multiple antigen peptides (MAP), consisting of a number of peptide copies synthesized on a branching lysyl core, offer a novel approach for rendering small peptides immunoreactive in solid-phase immunoassays. An octameric MAP, carrying 6 repeats of the sequence -N-A-A-G-, tandem repeated in the immunodominant region o...

journal_title：Immunology letters

authors： Habluetzel A,Pessi A,Bianchi E,Rotigliano G,Esposito F

更新日期：1991-09-01 00:00:00

abstract：:A murine monoclonal antibody (IgG) has been generated that binds to DNA modified with osmium tetroxide in the presence of 2,2'-bipyridine and does not interact with unmodified DNA. Reactivity of the antibody was tested by gel retardation assay, ELISA, dot-binding assay and immunoblotting. The results obtained suggest ...

journal_title：Immunology letters

authors： Kabakov AE,Podgorodnichenko VK,Poverenny AM

更新日期：1991-09-01 00:00:00

abstract：:Work done in our laboratories, using a murine model, indicates that suppression of host immune responses might be due to secretion of soluble factors by tumor cells. The H238 cells (BALB/c embryonic fibroblasts transformed by UV-inactivated herpes simplex virus Type 2) exhibit progressive tumor growth with subsequent ...

journal_title：Immunology letters

authors： Das MR,Gridley DS,Kettering JD

更新日期：1991-09-01 00:00:00

abstract：:Human milk lactotransferrin at a concentration ranging from 1 to 10 micrograms/ml stimulated up to 5 times the humoral immune response to sheep red blood cells, expressed as the number of plaque-forming cells, when injected into mice 3 h before immunization. Further, lactotransferrin-treated thymocytes given intraveno...

journal_title：Immunology letters

authors： Zimecki M,Mazurier J,Machnicki M,Wieczorek Z,Montreuil J,Spik G

更新日期：1991-09-01 00:00:00

abstract：:It is known that the receptors for the Fc portion of IgG molecules (Fc gamma R) are widely distributed in cells of the immune system. The expression of Fc gamma R enables monocytes and neutrophils to destroy antibody-coated target cells through the antibody-dependent cell-mediated cytotoxicity (ADCC) mechanism. In add...

journal_title：Immunology letters

authors： Isturiz MA,Geffner JR,Pizzolato MA

更新日期：1991-08-01 00:00:00

abstract：:Interleukin 1 beta (IL1 beta) is an inducible polypeptide with many roles in host defence and homoeostasis. It has also been implicated as a mediator of infectious, inflammatory and autoimmune diseases, and the kinetics of its production are relevant to an understanding of the pathogenesis of these conditions. We repo...

journal_title：Immunology letters

authors： di Giovine FS,Symons JA,Duff GW

更新日期：1991-08-01 00:00:00

abstract：:In some animal models of organ transplantation, notably the rat, preoperative administration of donor strain blood may produce long-term allograft survival even in the absence of adjunctive immunosuppressive therapy. The ability of blood transfusion to prevent rejection is highly dependent on the strain combination an...

journal_title：Immunology letters

authors： Bradley JA

更新日期：1991-07-01 00:00:00

abstract：:A variety of straightforward biochemical techniques have been applied to the analysis of HLA molecules. These techniques centre largely on two components: monoclonal antibodies (mAbs) and gel analysis systems. Although only the basic applications are discussed here, the techniques have broad applications. Monoclonal-g...

journal_title：Immunology letters

authors： Lanchbury JS

更新日期：1991-07-01 00:00:00

abstract：:Graft failure (GF) following bone marrow transplantation (BMT) in man is usually attributed to allograft rejection; however, other mechanisms of GF exist. Exposure of the developing allograft to viruses, myelotoxic drugs, and damage to the host-derived marrow stroma during graft-versus-host disease (GVHD) may all caus...

journal_title：Immunology letters

authors： Hows JM

更新日期：1991-07-01 00:00:00

abstract：:In contrast to defibrinated blood, cells isolated from heparinized blood give lower T-lymphoproliferative responses. Such responses can be also suppressed by addition of heparin to lymphocyte cultures. Platelets inhibit T cell proliferation and B cell differentiation, but their interactions with heparin may produce co...

journal_title：Immunology letters

authors： Górski A,Wasik M,Stepień-Sopniewska B,Glapiński T

更新日期：1991-05-01 00:00:00

abstract：:In addition to its hematopoietic activities, interleukin-3 (IL-3) can modulate macrophage functions. We have studied the production of interleukin-1 (IL-1), interleukin-6 (IL-6) and tumor necrosis factor (TNF) by mouse peritoneal macrophages triggered by lipopolysaccharide (LPS) in the presence or absence of IL-3. Int...

journal_title：Immunology letters

authors： Cohen L,David B,Cavaillon JM

更新日期：1991-05-01 00:00:00

abstract：:Wistar rats submitted to 3 intravenous (i.v.) or intraperitoneal (i.p.) immunizations with saline extract of rat male accessory glands (RAG) associated to liposomes developed a delayed type hypersensitivity (DTH) response to RAG after the first immunization, a remission state after the second immunization and a specif...

journal_title：Immunology letters

authors： Correa SG,Riera CM

更新日期：1991-04-01 00:00:00

abstract：:We have previously reported the production of a series of human monoclonal antibodies reacting with mouse mammary tumor viral antigens as well as the human counterpart HuMTV antigen. Against two of these antibodies (B11 and 4.6/6), anti-idiotypic antibodies were generated, which appeared to be the internal image of vi...

journal_title：Immunology letters

authors： Blank M,Smorodinsky IN,Keydar I,Chaitchik S,Shoenfeld Y

更新日期：1991-04-01 00:00:00

abstract：:Murine peritoneal macrophages were isolated by adherence and their listericidal activity assessed in the presence or absence of selected cytokines. Untreated macrophages were not highly listericidal, showing moderate killing in the first 2 h after infection, and allowed progressive microbial growth thereafter (up to 9...

journal_title：Immunology letters

authors： Denis M,Gregg EO

更新日期：1991-03-01 00:00:00

abstract：:The cytotoxicity of natural killer (NK) and lymphokine activated killer (LAK) cells against two human bladder tumor cell lines (BT-A and BT-B) was investigated using a fluorometric assay by labeling tumor cell DNA with Hoechst dye No. 33342. Our results demonstrate that BT-A and BT-B cells have low sensitivity to the ...

journal_title：Immunology letters

authors： Wang MH,Flad HD,Böhle A,Chen YQ,Ulmer AJ

更新日期：1991-03-01 00:00:00

abstract：:The present study was designed to investigate whether human equivalents of murine T helper cell subsets can be demonstrated by propagation of peripheral blood lymphocytes (PBL) with either recombinant human (rh) interleukin (IL) 2 or rhIL4 in the presence of neutralising antibodies. Cells of both cultures, termed T-IL...

journal_title：Immunology letters

authors： Kalthoff FS,Rossiter H,Liehl E

更新日期：1991-02-01 00:00:00

abstract：:A series of nor-MDP analogues were evaluated for adjuvanticity in rodents using beta hCG-TT conjugate as the antigen. Of these, one compound, N-acetylnor-muramyl-L-N-methylalanyl-D-isoglutamine octylamide (nor-MDP octylamide (N-Me-Ala] was found to be effective. This compound, formulated with beta hCG-TT in water-in-o...

journal_title：Immunology letters

authors： Alam A,Capoor AK,Rao LV

更新日期：1991-01-01 00:00:00

abstract：:Others have reported that a monoclonal anti-human IL-2 receptor antibody (anti-CD25) specifically binds a membrane receptor on Xenopus laevis PHA-induced and paraformaldehyde-fixed splenic blasts. In this paper, we present evidence suggesting that this binding is an artifact of membrane damage. Specifically, significa...

journal_title：Immunology letters

authors： Haynes L,Moynihan JA,Cohen N

更新日期：1990-12-01 00:00:00

abstract：:The production of neutralizing antibodies against the central portion of HIV-1 gp120 requires cooperation between T cell and B cell epitopes of this region. We found a motif common to the carboxyterminus of the second conserved region of HIV-1 gp120 and sequences of some human proteins, most of which participate in im...

journal_title：Immunology letters

authors： Veljković V,Metlas R

更新日期：1990-11-01 00:00:00

abstract：:Soluble C3d applied to human blood-derived B lymphocytes inhibited anti-mu, T cell-produced growth factor, and EBV-induced DNA synthesis in serum-free culture. C3d added to the B cell cultures 1 and 2 days after the stimulus, still exerted inhibition, though with gradually diminishing efficiency. C3d, fixed on zymosan...

journal_title：Immunology letters

authors： Kuraya M,Nilsson B,Nilsson-Ekdahl K,Klein E

更新日期：1990-10-01 00:00:00

abstract：:After exposure to a concanavalin A (Con A)-unreactive variant of alpha 1-acid glycoprotein (AGP), macrophages released an inhibitor of interleukin-1 (IL-1) proliferative activity in the thymocyte comitogenic assay. This effect was observed with AGP concentrations above 100 micrograms/ml in the macrophage supernatant a...

journal_title：Immunology letters

authors： Bories PN,Kodari E,Feger J,Rouzeau JD,Agneray J,Durand G

更新日期：1990-10-01 00:00:00

abstract：:The effects of interferon-alpha (IFN-alpha), INF-gamma, transforming growth factor beta (TGF-beta) and dexamethasone on low-affinity Fc receptors for IgE (Fc epsilon R2/CD23) expression on a human eosinophilic leukemia cell line, Eol-3, were examined. Fc epsilon R2/CD23 expression was enhanced by both IFN-alpha and IF...

journal_title：Immunology letters

authors： Watanabe H,Kawabe T,Yodoi J,Tanaka M,Kim KM,Nambu M,Tsuruta S,Morita M,Yorifuji T,Mayumi M

更新日期：1990-09-01 00:00:00

abstract：:We have mapped a T cell epitope in the circumsporozoite (CS) protein of the murine malaria parasite, Plasmodium yoelii. A 21-mer synthetic peptide corresponding to the amino acid positions 59-79 (referred to as Py1), induced specific proliferation in BALB/c and C57BL/6 mice, and provided help for the production of ant...

journal_title：Immunology letters

authors： Del Giudice G,Grillot D,Rénia L,Müller I,Corradin G,Louis JA,Mazier D,Lambert PH

更新日期：1990-08-01 00:00:00

abstract：:The T cell receptor of gamma delta is normally expressed on a small percentage of peripheral lymphocytes. Although the role of gamma delta T cells in the physiologic immune response is still unknown, there is accumulating evidence that gamma delta T cells may participate in the immune response to mycobacterial and oth...

journal_title：Immunology letters

authors： Ho M,Webster HK,Tongtawe P,Pattanapanyasat K,Weidanz WP

更新日期：1990-08-01 00:00:00

abstract：:Based on the cerebral malaria coma scale, 39 falciparum malaria autopsy cases from the Hospital for Tropical Diseases, Mahidol University, Bangkok, Thailand were divided into two groups of patients that had either cerebral malaria or non-cerebral malaria. We then studied significant pathological differences, such as p...

journal_title：Immunology letters

authors： Riganti M,Pongponratn E,Tegoshi T,Looareesuwan S,Punpoowong B,Aikawa M

更新日期：1990-08-01 00:00:00

abstract：:The observation that protective immunity induced by immunization with radiation attenuated Plasmodium berghei and Plasmodium yoelii sporozoites is dependent on CD8+ T lymphocytes in some strains of mice led us to speculate that immunization with sporozoites induces cytotoxic T lymphocytes (CTL) that recognize malaria ...

journal_title：Immunology letters

authors： Hoffman SL,Weiss W,Mellouk S,Sedegah M

更新日期：1990-08-01 00:00:00

abstract：:Both the sporozoites and the erythrocytic stages can modulate the hepatic phase by cytokines, notably IFN-gamma, TNF and IL-6, either directly or as a result of a cascade of events, and by MHC-restricted and antibody-dependent cell-mediated cytotoxicity. The role played by CD8+ T cells in inducing protective immunity ...

journal_title：Immunology letters

authors： Mazier D,Rénia L,Nussler A,Pied S,Marussig M,Goma J,Grillot D,Miltgen F,Drapier JC,Corradin G

更新日期：1990-08-01 00:00:00

abstract：:Lymphocytes obtained from thymus and spleens of 1-6 week old White Leghorn cockerels, untreated or immunized twice with sheep red blood cells (SRBC), were cultured with common T-cell mitogens in serial dilutions and/or different concentrations of bovine prolactin (PRL). [3H]Thymidine incorporation in newly synthesized...

journal_title：Immunology letters

authors： Skwarło-Sońta K

更新日期：1990-06-01 00:00:00

abstract：:T cells recognize with a single receptor both a product of antigens processed by antigen presenting cells (APC1) and a self-marker molecule, encoded by the major histocompatibility complex (MHC, a property termed MHC-restricted recognition of antigen). During their differentiation in the thymus, T cells "learn" what t...

journal_title：Immunology letters

authors： Marusić-Galesić S,Pavelić K

更新日期：1990-06-01 00:00:00

abstract：:Normal and tumor-bearing host (TBH) peritoneal macrophage (M phi) responses to in vitro lipopolysaccharide (LPS) treatment were measured by assessing functional and phenotypic changes. Both normal and TBH untreated M phi suppressed mixed lymphocyte reaction (MLR) reactivity at all concentrations. Normal host M phi tre...

journal_title：Immunology letters

authors： Askew D,Yurochko AD,Burger CJ,Elgert KD

更新日期：1990-03-01 00:00:00

abstract：:We have reported that a cell line, KML1, obtained from lymph node cells of a 16-week-old female MRL/Mp-lpr/lpr (MRL/1) mouse produces a soluble factor(s) that promotes formation of anti-single-stranded (ss) DNA antibodies by cultures of spleen cells from old MRL/l mice (greater than 16 weeks old). Detailed examination...

journal_title：Immunology letters

authors： Kanai Y,Isonishi S,Katagiri T,Koizumi T,Miura K,Kurosawa Y

更新日期：1990-03-01 00:00:00

abstract：:In the H-2-incompatible donor-recipient combination (BALB/c----CBA/H) local administration of cyclosporin allows a 4-fold reduction in a single dose prolonging survival of heart tissue allografts. These results suggest that local administration of cyclosporin may be useful for certain grafts. ...

journal_title：Immunology letters

authors： Górecki D,Kruszewski A,Jakóbisiak M,Lasek W

更新日期：1990-02-01 00:00:00

abstract：:It is well known that most physiological functions change with aging, including the immune response. Data concerning the aging of lymphocyte subpopulations are conflicting. The antigen density of peripheral blood lymphocytes has been determined by fluorescently tagged OKT-3, OKT-4, OKT-8, OKT-11 and OKM1 monoclonal an...

journal_title：Immunology letters

authors： Varga Z,Bressani N,Zaia AM,Bene L,Fülöp T,Leövey A,Fabris N,Damjanovich S

更新日期：1990-02-01 00:00:00

abstract：:We have utilized a limiting dilution assay, involving a minimum of in vitro culture, to determine the frequencies of CD4+ T cells which have the capacity to secrete IL-2 (Th1), IL-4 (Th2) or IL-2 and IL-4 (Th0). CD4+ lymph node cells obtained from unimmunized mice were found to contain 40% Th1, 34% Th2, and 26% Th0 ce...

journal_title：Immunology letters

authors： Torbett BE,Laxer JA,Glasebrook AL

更新日期：1990-01-01 00:00:00

abstract：:Heat-sensitive serum masking cofactor(s) of antiphospholipid antibody (aPL) in normal human sera (NHS) are specifically inactivated at 56 degrees C. The degree of binding in ELISA by unmasked aPL in NHS was equivalent to that in non-heated, aPL-reactive autoimmune SLE sera. Previously "negative" SLE sera also reacted ...

journal_title：Immunology letters

authors： Cheng HM,Wong KK

更新日期：1990-01-01 00:00:00

abstract：:The majority of peripheral blood mononuclear cells (PBMC) from acute-phase infectious mononucleosis (IM) patients express high levels of T10 (CD38) and HLA-DR surface antigens, which are markers characteristic of activated T cells. However, Tac antigen (p55) expression on these cells was not detectable by flow cytomet...

journal_title：Immunology letters

authors： Schmidt C,Burman K,Moss DJ,Ryan J,Burrows SR,Misko IS

更新日期：1989-12-01 00:00:00

abstract：:Several immunological functions of B and T cells including IL-2 receptor expression on T cells were measured in 12-month-old Fisher-344 male rats maintained from 6 weeks of age on an ad libitum (AL) or a 40% food-restricted (FR) diet. Direct anti-SRBC plaque-forming cell (PFC) assays revealed a higher response in FR r...

journal_title：Immunology letters

authors： Iwai H,Fernandes G

更新日期：1989-12-01 00:00:00